Cash register



C. H. ARNOLD CASH ,REGISTER Dec. 27, .1938.

,. Original Filed June 16, 1934 5 Sheets-Sheet 2 Charles H. Arnold HisAttorney Dec. 27, 1938. C 'H ARNQLD 2,141,333

CASH REGISTER Original Filed June 16, 1934 6 Sheets-Sheet 3 InventorCharles H. Arnold His Attorney lDec. 27, 1938. C. H, ARNOLD 2,141,333CASH REGISTER Original Filed June 16, 1954 l 6 Sheets-Sheet 4 InventorCharles Arnol Tm: Glow Pianura ON SfsrsMnN-f Suv By M His Attorney Dee.n277, 193.8.l H. ARNOLD 2,141,333

CASH REGISTER Original Filed June 16, 1934 6 SheeHcs-SheeI 5 E l #Tij-1mr--l /FlGD 26 Inventor Charles H. Amold Tms G'RouP PRN-rs l 0N Avon' 5mnHis Attorney C. H. ARNOLD *Dei 27, 193s.

CASH REGI STER Original Filed June 16, 1934 6 Sheets-Sheet 6 am OO om oam cmd om@ NN .25. E. NNdwQ Inventor Charles Arnold By ZOnOO @z mmmxxoomHs Attorney Retrefsdiipec-, .221.1938- i CASH REGISTER M y l c CharlesH. Arnold, Dayton, Ohio, assignorto` The -National Cash RegisterCompany,

Damn

Ohio, a corporation ol Maryland Original application June 16, 1934,Serial No.`

730,880. Divided and this application July 1I, 1936, Serial NO. 90,050

12 Claims.

AThis invention relates to improvements in cash registers of the typeillustrated and described in Letters Patent of the United States Nos.1,619,796, 1,747,397, and 1,761,542, issued respectively March 1, 1927,February 18, 1930, and June 3, 1930, to B. M. Shipley, and the copendingapplication of M. M. Goldberg filed August 27, 1931, Serial No. 559,720,and is a division of applicants application Serial No. 730,880, led June16, 1934, which application has now issued into Patent No. 2,141,332.

It is generally the custom for public utility companies that supplycommunities with electrical current and gas, to furnish their numeroussubscribers with a periodical statement of their accounts. Thesestatements are, as a general rule, composed of various detachable bills,coupons, and stubs; for example, a bookkeeping coupon, a subscribersbill and coupon, and a collectors coupon. Upon each of these coupons,stubs, and bills various data and amounts are duplicated, and to thisend a cash register of the type which simultaneously prints in aplurality of columns, otherwise known as a column printing register, isadmirably adapted.

An object of the invention is to provide novel means to position certainof the type wheels independently of the differential mechanism.

A further object is to provide means to move the higher denominationamount type wheels to a non-printing position when no keys are depressedin the higher denomination amount banks.

With these and incidental objects in view, th invention consists ofcertain novel features of construction and combinations of parts, theessential elements of which are set forth in appended claims and apreferred form or embodiment of which is hereinafter described withreference to the drawings which accompany and form part ofthis'specication.

Of said drawings:

sFig.v 1 is a diagrammatic View of the keyboard of the machine of thepresent invention.

Fig. 2 is a sectional view showing in particular an amount bank and itsassociated differential mechanism. y

Fig. 3 is a sectional view of the mechanism for driving the type wheelso f one denominational unitv and also illustrating the zero eliminationmechanism for that unit.

Fig. 4 is a detail view of the type wheel alining mechanism and theoperating means for the zero elimination mechanism.

Fig. 5 is a detail view of the mechanism that controls the zeroelimination slides.

Figs. 6 A and B combined constitute a. iront view of the printingmechanism.

Figs. 6 C and D combine to form a diagrammatic view of the type wheeldriving lines.

Fig. 7 is a facsimile of a statement slip used in the machine ofthepresent invention.

Fig. 8 is a facsimile of a fragment of an audit strip used in themachine of the present invention.

Fig. 9 is a top plan view of the zero elimination mechanism for theamount banks.

General description In its present embodiment the machine embracing thepresent invention is arranged for use by public utility companies thatsupply electrical current and gas to a plurality of consumers. However,it is not intended to limit this machine to any one system or use, aswith slight alteration it may be adapted for use in many other ways, allcoming within the scope of this invention,

Described in general terms, the present invention is embodied in thewell-known type of cash register illustrated and described in thepatents and applications referred to at the beginning of thisspecification. This machine is equipped with a column typeprinterlocated at the front of the machine, said printer being arrangedto print in duplicate various amounts and data. in the Various columnsof an vinsertable slip during one machine operation. In addition, arecord of each transaction is printed in colunmar alinement on an auditstrip located at the right of the machine.

Detailed description l 'The present invention is embodied in the type ofregister illustrated and described in the patents referred to at thebeginning of this specification. As machines of this character are wellknown in the art, the mechanism thereof will be but briey described.

Machine framework and operating mechanism Calling attention to Fig. 2,.the mechanism of the machine proper issupported by two main frames 50,onlyone (the leftframe) being here shown, and various other.rintermediate frames, cross frames, .andbraces The main frames are inturn secured to a machine base 5| and the entire machine isK enclosed inasuitable cabinet means of ,the=usual electric motor (not shown) whichis operatively connected to the main drive shaft 52 by the usual clutchmechanism and gearing.

Depressing the usual motor bar 53 (Fig. 1) releases a key lock shaft 54(Fig. 2) for a. slight clockwise movement under influence of a spring.This movement of the shaft 54 engages the clutch lmechanism and closesthe electrical circuit to the motor, thereby causing the machine tooperate. Near the enti of the machine operation the shaft 54 is rockedcounterclockwise to release the depressed keys, disengage the clutchmechanism, and simultaneously open the motor switch in the usual manner.v

If desired, or when electrical current is not available, the machine maybe operated by means of a hand crank which is operatively connected tothe main drive shaft 52 by means of a train of gears. Depressing thestarting bar 53'(Fig. 1) releases the shaft 52 for rotation. 'I'hemachine may then be operated by turning the hand crank.

As the motor, clutch, and releasing mechanism are of conventional designand old in the art, they have not been illustrated herein and will notbe further described. However, reference may be had to the ShipleyPatent No. 1,761,542 issued June 3, 1930, for a full disclosure of thisoperating mechanism.

Keyboard Fig. 1 is a diagrammatic view of a typical keyboard arrangementfor use by public utilitycompanies.

Located at the extreme right of the keyboard is a series of totalcontrol keys 55 which control the reading and resetting of the differenttotalizers. Next in order is the motor bar 53 which, as previouslystated, controls the operation of the machine. Next are three rows oftransaction keys 56, 51, and 58, which select the different totalizersfor engagement with their actuators in a manner later to be described.As presently constructed, the machine of this invention has nine rows ofamount keys 59, which position the differential actuators in thewell-known manner.

Amount keys and differential mechanism As previously stated, the machineof this invention has nine banks 60 (Fig. 2) of amount keys 59, and, asall the amount banks and their associated differential mechanisms aresimilar, it is thought that the description of one denominational unitwill be suiiicient for the purpose of this invention.

Referring to Fig. 2, the amount key banks 60 are removably supported onrods 6l and 62 extending between and supported by the main machineframes 50. Pivoted on the lower end of each amount bank is a zero stoplever 63 having a right-angled projection arranged to cooperate with theforward end of a reset spider 64 pivoted on a hub 65 of an amountdifferential actuator 66. 'Ihe actuator 66 is loosely mounted on a hub61 extending between two differential support plates 68 (only one hereshown) supported by a pair of rods 69 extending between the main frames50. The spider 64 has in its forward end a slot through which extends astud 10 in a differential latch arm 1l pivoted to the actuator 66.

Mounted for lateral shifting movement by means of the arm 1I and asimilar arm 12 is a differential latch 13, a foot-shaped projection ofwhich is arranged to cooperate with a differential driving segment 14pivoted on the hub 61, and connected by a link 15 to a lever 16.journaled on a stud 11 secured in one of the plates 68.v The lever 16carries a pair oi' rollers 18which cooperate with the peripheries ofcompanion cams 19 and 88 secured on the main drive shaft 52.

In adding operations the shaft 52 and the cams 19 and 80 make onecomplete revolution clockwise, which, by means of the lever 16 and thelink 15, rocks the driving segment 14 first in a clockwise direction andthen back to normal position.

As previously stated, there is a differential actuator unitA like thatexplained above, `for each amount bank and each differential unit issupported between two of the plates 68. 'I'he complete assembly ofdifferential units is held together by means of a rod 8| extendingthrough the hubs 61.

If no key is depressed in an amount bank, the zero stop lever 63 engagesthe forward end of the reset spider 64 to rock the latch arm 1I counter-clockwise to move the differential latch 13 forwardly, therebydisengaging the foot thereof from the depression in the driving segment14 and engaging a nose 82 of said latch with one of a series of notches83 in a plate 84 secured to one of the plates 68. This stops thedifferential actuator 66 in zero position by disengaging said latch fromthe driving segment 14.

The concentric portion of the segment 14, in cooperation with the footof the latch 13, maintains the nose of said latch in engagement with thplate 84 while said segment completes its initial movement clockwise andduring the greater part of the return movement of said segment until thedepression therein is opposite the foot of the latch 13. When thedepression is opposite the foot of the latch 13, a flat surface of thesegment 14 engages a stud 85 in the actuator 66v and returns saidactuator to home position, thereby disengaging the reset spider 64 fromthe zero stop lever 63 and allowing a spring 86 to disengage the nose 82of the latch 13 from the notch in the plate 84 and to reengage the footof said latch with the depression in the driving segment 14.

Depressing one of the amount keys 59 forces the lower end of the stemthereof into the path of the latch arm 1l. Consequently, initialmovement clockwise of the segment 14 and th: actuator 66 causes said arm1I to engage the stem of said key to disengage the foot of the latch 13from the segment .14 in exactly the same manner as explained above. g Onits return movement the segment 14 engages the stud 85 to return theactuator 66 and disengage the latch 13, as described above.

It will be also understood 4that depression of an amount key 59: rocksthe zero stop lever 63 counter-clockwise out of the path of the spider64, thereby allowing the actuator 66 to travel slockwise until stoppedby the depressed amount The differential positioning of the actuator 66is transmitted to the indicator and printing mechanisms by means of abeam 81 pivoted on said actuator 66 and bifurcated to embrace a stud 88in a link 89, thel upper end of which is pivoted to an indicator segmentsupported by one of ,a series of indicator tubes 9| on an indicatorshaft 92, opposite ends of which are supported by the main frame 50. Thelower end of the link 89 is 95 ,carried by the lever, 16 engages anarcuate vsurface 96 of thev beam 81 to force an'arcuate surface 91nofsaid beam finto contact with the h ub 65. This, by means ofthe link89, positions the segments v9|) and 93 commensurate with the position ofthe actuator 66. The segments 90 and 93 in turn position the indicatormechanism and the printing mechanism in accordance with the amount setup on the keyboard or in total taking operations in accordance with theamount on the whel of the totalizer being read or reset.

By observing Fig. 2 itwill be seen that the present machine has threelines of totalizers, the upper totalizer line 99, the rear totalizerline |00, and the front totalizer line The upper totalizer line 99supports an add and subtract totalizer and has an add wheel and asubtract wheel |02 for each denominational unit, these wheels beingreversely geared together, so that one is always the complement of theother.

The totalizers are actuated under control of the amount keys 59 by theusual actuators 66, which are dierentially controlled by the amount keys59 through the medium of the usual form of latch mechanism consisting ofa latch 13 and an arm 1| driven by a driving segment 14.

It is not thought necessary to go into any further description of eitherthe totalizers or the differential mechanism in this divisionalapplication. If a further description thereof is wanted, reference maybe had to the abovementioned parent application, Serial No. 730,880.

Amount type wheel driving and amount zero elimination mechanisms Fig. 2is a section view taken just to the right of the $10.00 amount bank,while Fig. 3 constitutes a detail view of part of the mechanism shown inFig. 2. By observing Figs. 2 and 3, together with Figs. 6 A, 6 B and 6 Cand 6 D, it will be seen that the segment 93 carries a stud |3| whichcoopcrates with a cam slot in a cam arm |32 pivoted to a gear segment|33 loose on the shaft I I5. The gear segment |33 meshes with a ringgear |34 rotatably mounted on a disk |35 supported by the shaft 9. Theinternal teeth of the ring gear |34 mesh with a pinion |36 on a squareshaft |31 and having a bearing in a circular opening in the disk |35.The external teeth of the ring gear |34 drive a ten dollar amount typewheel |38 while other pinions |36 (Figs. 6 C and D) on the shaft |31drive ring gears |34 which in turn drive a series of type wheels in thedifferent columnarlocations on the shaft |30.

It will be noted by observing Figs. 6 C and 6 D that, although thegroups of type wheels in the different columnar positions are allpositioned by the amount differential mechanism, some of these typewheels are used to print data other than amounts. The groups used forprinting data other than amounts have no type wheels driven by the unitsand tens of cents differential mechanism. This is due to the fact thatthese two lower denominations do not have zero elimination mechanismwhich is necessary on all the type wheels except those used to printamounts.

The cam arm |32 (Figs. 2 and 3) carries a stud |39 arranged to cooperatewith a notch |40 in a zero elimination slide |4|, the upper portion ofwhich is slotted to receive a shaft |42 supported by a pair of arms |43(Figs. 4 and 9) secured toa shaft |44 journaled in brackets |45 securedVto the base plate Secured on the shaft |44 (Figs. 3 and 4) is an arm |46to. whichis pivoted a pitman |41, the upper end of whichis bifurcated toembrace the hub of a box cam |48 secured on the shaft 52. The pitman |41carries a roller |49 which cooperates with a cam groove |50 in the cam|48. The slide |4| (Figs. 3 and 5) has secured therein a stud |5|arranged to cooperate with a pawl |52 secured on a shaft |53 journaledin the i rackets |45. Also secured on the shaft |53 is an arm |54bifurcated to straddle a stud |55 in a cam lever |56 pivoted on a` stud|51 carried by a bracket (not shown) secured to the base plate 5|. Thelever |56 carries rollers |58 and |59 which cooperate with the peripheryof companion plate cams |60 and |6| secured to the shaft 52.

With the exception of the one cent and the ten cent amount banks thereis one of the slides |4| for each amount bank. The slides |4| (Figs. 4and 9) each have an extension |62 which cooperates with an abruptsurface |63 of the slide |4| for the next higher order denomination.

In order to illustrate how the zero elimination mechanism works, let usassume that the number five key in the ten dollar amount bank (Fig. 2)has been depressed. Initial movement clockwise of the differential latchand actuator mechanisms causes the latch to be broken or released fromthe driving segment in the lfth position, as explained earlier herein.After the actuator 66 has been thus positioned, the roller 95 on thelever 16, in cooperation with the beam 81 and the link 89, positions thesegment 93 commensurate with the value of the depressed amount key. Aspring |64 (Fig. 3) is tensioned to urge the arm |32 upwardly tonormally maintain the lower portion of the slot therein in engagementwith the stud |3|. Consequently, when the segment 93 is positionedclockwise, the arm |32 acts in the same capacity as a solid link andpositions the segment |33, the ring gear |34, and the tens of dollarstype wheels |38 commensurate with the value of the depressed key in theten dollar bank. The pinions |36 (Figs. 6 C and 6 D) position the otherring gears |34 and their associated type wheels as explained above. l

Clockwise movement of the segment 93 moves an arcuate surface |65 (Figs.2 and 3) thereof in the path of a roller |66 carried by the slide 4| tohold said slide in its normal position as here shown. This prevents theslide |4| from being moved forwardly by a spring |61 when the shaft |53(Fig. 5) and the pawl |52 are rocked counterclockwise by the lever |56in cooperation with the cams |60 and |6| immediately after thedifferential mechanism has completed its initial setting movement asexplained above. It will be understood that setting movement of thedifferentials also returns the indicator segments 90 (Fig. 2) and theprinter segments 93 to zero positions in amount banks where no key isdepressed. The slide |4| for the ten dollar dethe one dollardenomination in normal position. It will be recalled that zeroelimination mechanisms are not provided in the units of cents and tensof cents denominations, vconsequently the zeros will print, in thisinstance, in the one dollar, the ten cent, and the one centdenominations. f

The zero elimination slides |4| for the higher denomination are notrestrained, as is the slide |4| for the ten dollar denomination;therefore when the pawls |52 4are rocked counter-clockwise, the springs|61 move said slides |4| forwardly,

causing the notch therein to engage the studs |39 carried by the arms|32.- Immediately thereafter, the cam |48 (Fig. 4) by means Voi thepitman |41 rocks the shaft |44, the arms |43, the rod |42, and the zeroelimination slides |4| counterclockwise (Fig. 4). This movement of theslides |4| rocks the arms |32 (Figs. 2 and 3) for the higherdenominations clockwise, causing the cam slots therein in cooperationwith the studs |3|, which are at this time held stationary, to rock thesegments |33 one position counter-clockwise. This, by means of the ringgears |34, pinions |36, and shaft |31 for the higher denominations,rotates the higher order type wheels one position beyond zero to anon-printing position, thereby eliminating the printing of zeros inthese denominations.

Means for alining the type wheels is provided and is well illustrated inFigs. 3 and 4. This means consists of an alining bar |10 whichcooperates with the ring gears ||1, |25, and |34 (see also Figs. 6 A and6 B). Arms |1| connect the alining bar |10 to a shaft |12 journaled inthe plates |20, |2|, |22, and |23. Pivoted to an extension of one of thearms |1| is a pitman |13 bifurcated to embrace a hub of the cam |48. Thepitman |13 carries a roller |14 which cooperates With a raceway |15 inthe lefthand face of the cam |48. Y

Just before the ring gears |34 receive any setting movement, the cam|48, by means of the pitman |13, rocks the arms |1|, the shaft |12, andthe alining bar |10 clockwise to disengage said alining bar from thering gears |34. After the ring Igears are positioned as explainedabove'the cam |48 reengages the alining bar |10 with said ring gears tohold the type wheels in position while an impression is being made.

Impression mechanism Statement slip feeding and ejecting mechanisms Inthe machine in which the present invention is embodied, the statementslip shown in Fig. 7 is presented to the feeding means by the operator,so that at the beginning of an operation of the machine, the slip isadvanced by the slip feeding mechanism so that the rst printing linethereon is alined with the impression mechanism or hammers abovementioned. Here again it'is not thought necessary to go into any furtherdescription of the slip feeding and ejecting mechanisms, reference beinghad to the parent case for those descriptions.

Detail feed The audit or detail strip, a portion of which is shown inFig. 8, is adapted to be printed by this' Further description of thedetail mechanism is not believed necessary in -this divisionalapplication, and therefore attention is directed to the parentapplication, Serial No. 730,880, for further description andillustration, if desirable.

While the form of mechanism here shown and described is admirablyadapted to fulll the objects primarily stated, it is to be understoodthat it is not intended to confine the invention to the form orembodiment herein disclosed, for it is susceptible of embodiment invarious forms, al1 coming within the scope of the claims which follow.

What is claimed is:

1. Ina machine of the class described, the combination of type carriers;differential means to position the type carriers# means including asegmental gear to transmit the movement of the differential means to thetype carriers; an element connecting the segmental gear to thedifferential means; and means shifted into engagement with the elementunder control of the differential means and operable when shifted tomove the element and the segmental gear to position the type carriersindependently of the differential means.

2. InV an accounting machine, the combinationA of type carriers; adifferentially positioned member; means including a `segmental gear andVan element to transmit the movement of the differentially positionedmeans to the type carriers; and means' normally disconnected from theelement and moved into engagement with the element under control of thedifferentially positioned means and operable through the element to movethe segmental gear and the type carriers independently of thedifferentially positioned member.

3. In an accounting machine, the combination of type carriers;differential means including an element to position the type carriers; asegmental gear operatively connected to the type carriers; a memberconnecting the segmental gear and the element; and means normallydisengaged from said member and engageable with the member when theelement is in a certain position and operable when engaged with themember to move the member and the segmental gear relatively to theelement to reversely rotate the type carriers independently of thedifferential means and the element.

4. In an accounting machine, the combination of type carriers;differential means including an element to position the type carriers; asegmental gear to drive the type carriers; a member connecting thesegmental gear and the element; and means normally disengaged from saidmember and engageable with the member when the element is in a certainposition and operable when in engagement with the member to move themember relatively to the element and the segmental gear, and to move thesegmental gear relatively to the element to rotate the type carriers ina reverse direction.

5. In a machine of the class described, the combination of typecarriers; means to drive the type carriers; an element; a memberconnecting the driving means and the element; means to differentiallyadjust the element, which adjustment is transmitted to the type carriersby means of the member and the driving means; and means normallydisengaged from the member and engageable with the member when theelement is adjusted in a certain position by the differential means andoperable when in engagement with the member to move the member and thedriving means independently of the element to move the type carriers toa non-printing position.

6. In a machine of the class described, the combination of typecarriers; means to drive the type carriers; an element; means todiierentially adjust the element; a member operatively connected to thedriving means; a cam slot in the member;

a projection on the element adapted to cooperate with the cam slot inthe member; and means eiective when the element is adjusted in a certainposition to rotate the member, thereby causing the projection incooperation with the slot to move the driving means relatively to theelement to reversely rotate the type carriers.

7. In a machine of the class described, the combination of typecarriers; an element; means to diierentially adjust the element; meansincluding a segmental gear and an arm to transmit the differentialadjustment of the element to the type carriers; a member adapted forregularly excursioned oscillating movement and also adapted forreciprocating movement when the element is adjusted in a certainposition; and means whereby initial reciprocating movement of the memberconnects said member to the arm so that initial oscillating movement ofthe member, by means of the arm and the segmental gear, moves the typecarriers reversely.

8. In a machine ot the class described, the combination of typecarriers; an element; means to differentially adjust the element; meansincluding a segmental gear and an arm to transmit the differentialadjustment of the element to the type carriers; a turnably mountedmember adapted to be operatively coupled to the arm; means to oscillatethe member each machine operation; means to permit slidable movement cithe member when the element is adjusted in a certain position tooperatively couple said member to the arm; and means whereby oscillatingmovement of the member by means of the arm and segmental gear moves thetype carriers independently of the element and the diierential means.

9. In a machine of the class described, the combination of a typecarrier; means to drive the type carrier; means to differentially adjustthe driving means; a member pivotally connected to one of said means; acam slot in said member; a projection in the other of said meanscooperable with the cam slot in the member; said member serving toconnect the driving means for operation by the differential means; andmeans, effective when the diiTerentiai means is adjusted in a certainposition, to rotate the member about its pivot, thereby causing theprojection in cooperation with the slot to move the driving meansrelatively to the diierential means to readjust the type carriers.

10. In a machine of the class described, the combination of a typecarrier; means to drive the type carrier; means to differentially adjustthe driving means, including an element; means to lock the element indiierentially adjusted positions; coupling means for connecting thedriving means to the element and including means to resiliently maintaina normal coupling relation between the driving meansand the element; and

' means shiftable to engage the coupling means under control of saidelement and operable, when in engagement with the connecting means andwhen the element is locked, to move the driving means relatively to theelement against the operation of the resilient means to thereby readjustthe type carrier.

l1. In a machine of, the class described, the combination of a typecarrier; a member operable to drive the type carrier; means todifferentially position the type carrier; coupling means between themember and the differential means, including an element connected tosaid member and resiliently coupled to said means; means normallydisengaged from said element and movable into engagement with theelement under control of the differential means and operable whenengaged with the element. to shift the element and themember'independently of the differential means against the action of theresilient coupling between the element and the means, to therebyreadjust the type carrier.

12. In a machine of the class described. the combination of a typecarrier;v differential means; means including an element to adjust thetype carrier; a means pivoted on said element and connected 'to thedifferential means whereby the differential means adjusts the typecarriers without moving said element on its pivot; means shiftable intoengagement with said element when the element is in a certain position;and means to move the last-named means to rotate the pivoted means onits pivot to adjust the type carrier one step reversely while thedifferential means remains stationary.

CHARLES H. ARNOLD.

